Sorry BigPeter, i’m on 12 hour shifts for the next few days and won’t have time to package it up and get it sent before you get things moved. Let me know when you are set up again and i’ll send the offending samples to you.
JC
Recently, i’ve been trying to build large structures with 3DC 8.2. However, on structures even as small as 200x20x200 (feet), the structures disappeared when viewing at certain angles (the ‘Field of View’ bug). I tried to build a 900x30x300 foot building, and I could not even get close to the structure without it disappearing. The only answer i’ve seen posted is that this is an issue with Railworks. Wanting to test this theory further, I uninstalled 3DC 8.2 and reinstalled versions 8.17, then 8.13. In both of those versions, I got the same result – assets (even as small as 15x50x15) that disappeared when viewing in Railworks.
I went back further to 3DC version 7.1.1.2, and after exporting from this version, the assets did not disappear! I even made a structure as large as 300x30x1500 (ft), and it never showed the first sign of flicker or vanishing in the sim! I’ve built several large test structures, some with child groups and some without, and all of the exports using v.7.1xx seem to be stable. Since no two computers or software installations are the same, I cannot definitively say that the IGS exporter in 3DC 8 and above is bad, but the evidence is looking very strong towards that conclusion. Is anyone else having this problem using 3DC 8.xxx?
Please note that on all models, I took careful pains to make sure that all assets were centered so that this would not be a factor. Also, the exports were done using the regular exporter, not the alternative IGS exporter.
if you wanted to send me some examples, I could export them and see what results I get.
I have a few days spare before we move house.
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